Main Features:- Support multi-channel triggering, stable signal transmission and sensitive reaction, it can be used to trigger camera shutter, studio flash and camera flash.- With 2.4G wireless transmission, provides more than 100m transmission distance and creative triggering methods.- Support view the shot real time through the LCD display.- USB firmware upgrades helps keep pace with the latest technology.- With useful memory function that setting will be stored in 2 seconds after the latest operation and recover after a restart.- It is lightweight and portable, convenient to carry when having outdoor photographing.